Brochure
Table Of Contents
Serie MN
Pinces ampèremetriques pour courant AC
Non-contractual document
906131102E - Ed 1
5.09 (1/5)
D
N
series
DESCRIPTION
The D38N offers accurate AC current measurement
and a voltage output in mV allowing direct readings on
oscilloscopes. A switch with 3 positions on the handle
can be used to select the ranges. The wide opening of
the jaws means they can be used on cables and small
busbars.
ELECTRICAL SPECIFICATIONS
•
Current calibres:
1 AAC .. 30 AAC (90 A peak)
1 AAC .. 300 AAC (900 A peak)
1 AAC .. 2,400 AAC (9,000 A peak)
(3,000 A for temperature < 35 °C)
•
Output signal:
10 mV / AAC (3 V for 30 A)
1 mV / AAC (3 V for 300 A)
0.1 mV / AAC (3 V for 3,000 A)
•
Accuracy and phase shift
(1)
:
■
30 A calibre
Primary current 1.5 A 6 A 30 A 36 A
% Accuracy of
output signal
2 % ± 1 mV
Phase shift ≤ 20° ≤ 10° ≤ 5 ° ≤ 5 °
■
300 A calibre
Primary current 15 A 60 A 300 A 360 A
% Accuracy of
output signal
2 % ± 0.5 mV
Phase shift ≤ 3° ≤ 1.5° ≤ 1° ≤ 1°
■
3,000 A calibre
Primary current 150 A 600 A 3,000 A 3600 A
% Accuracy of
output signal
2 % ± 0.2 mV
Phase shift ≤ 3° ≤ 1.5° ≤ 1° ≤ 1°
•
Bandwidth:
10 Hz to 50 kHz (depending on current)
•
Rise/fall time from 10 % to 90 %:
4 µs
•
10 % delay time:
0.3 µs
•
Ampere second product:
30 A calibre: 30 A.s
300 A calibre: 125 A.s
3,000 A calibre: 180 A.s
•
Insertion impedance (at 400 Hz / 10 kHz):
30 A calibre: < 0.1 mΩ / < 1 mΩ
300 A calibre: < 0.1 mΩ / < 0.5 mΩ
3,000 A calibre: < 0.1 mΩ / < 0.4 mΩ
•
Maximum currents:
I < 2,400 A permanent
2,400 A .. 2,800 A for 10 minutes and then
30 minutes shutdown
2,800 A .. 4,000 A for 5 minutes and then
30 minutes shutdown
•
Output impedance:
30 A calibre: ≤ 130 Ω ± 15 %
300 A calibre: ≤ 140 Ω ± 15 %
3,000 A calibre: ≤ 140 Ω ± 15 %
•
Infl uence of temperature:
≤ 0.2 % of output signal par 10 K
•
Infl uence of adjacent conductor:
≤ 5 mA/A at 50 Hz
•
Infl uence of DC current < 10 % of rated calibre
superimposed on the rated current:
0.05 % / A DC
•
Infl uence of conductor position in jaws:
≤ 1 % + 0.1 A at 50/60 Hz
•
Infl uence of frequency
(2)
:
30 A calibre: < 1 dB from 10 Hz .. 10 kHz
300 A calibre: < 1 dB from 10 Hz .. 10 kHz
3,000 A calibre: < 1 dB from 10 Hz .. 10 kHz
MECHANICAL SPECIFICATIONS
•
Max. jaw opening:
90mm
•
Clamping capacity:
Cable: Ømax 64mm
Busbars:
5 busbars from 125 x 5mm
3 busbars from 100 x 10mm
(busbars spaced by their thickness)
•
Output:
Via 2 m coaxial cable terminated by insulated BNC
plug
•
Dimensions:
310 x 120 x 48mm
•
Weight:
1,200 g
•
Operating temperature:
-10 °C to +50 °C
•
Storage temperature:
-25 °C to +80 °C
•
Relative humidity for operation:
0 to 85% RH with a linear decrease above 35 °C
•
Operating altitude:
0 to 2,000 m
•
Casing protection rating:
IP 20 (IEC 529)
•
Drop test:
0.5 m (IEC 68-2-32)
•
Shock resistance:
100 g / 6 ms / half-periode (IEC 68-2-27)
•
Protection against impacts:
IK04 0.5 J (EN 50102)
•
Vibration resistance:
10/55/10 Hz, 0.15mm (IEC 68-2-6)
•
Self-extinguishing capability:
Handles: UL94 V0
Jaws: UL94 V2
•
Colours:
Dark grey handles with red jaws
SAFETY SPECIFICATIONS
•
Electrical safety:
Instrument with double insulation or reinforced
insulation between the primary the secondary and
the grippable part located under the guard as per
IEC 1010-1 & IEC 1010-2-032
- 600 V category III, pollution degree 2
- 300 V category IV, pollution degree 2
Current
90 A peak 900 A peak 9,000 A peak
Output
10 mV / A 1 mV / A 0.1 mV / A
Oscilloscope clamp for AC current
Model D38N
(insulated AC current probe)